Re: Constraint merge and not valid status - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Constraint merge and not valid status
Date
Msg-id CA+TgmoY_eFrN1qve50=rzoFKzvGCRic=KDVgfnS2detU8QK7sg@mail.gmail.com
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In response to Constraint merge and not valid status  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
Responses Re: Constraint merge and not valid status  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
List pgsql-hackers
On Wed, Jul 13, 2016 at 5:22 AM, Amit Langote
<Langote_Amit_f8@lab.ntt.co.jp> wrote:
> Consider a scenario where one adds a *valid* constraint on a inheritance
> parent which is then merged with a child table's *not valid* constraint
> during inheritance recursion.  If merged, the constraint is not checked
> for the child data even though it may have some.  Is that an oversight?

Seems like it.  I'd recommend we just error out in that case and tell
the user that they should validate the child's constraint first.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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